2018856720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:713

約数の個数: 160

約数和(自身を含む): 6361914240

約数和(自身を除く): 4343057520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 157, 240, 262, 314, 393, 409, 471, 524, 628, 655, 785, 786, 818, 942, 1048, 1227, 1256, 1310, 1570, 1572, 1636, 1884, 1965, 2045, 2096, 2355, 2454, 2512, 2620, 3140, 3144, 3272, 3768, 3930, 4090, 4710, 4908, 5240, 6135, 6280, 6288, 6544, 7536, 7860, 8180, 9420, 9816, 10480, 12270, 12560, 15720, 16360, 18840, 19632, 20567, 24540, 31440, 32720, 37680, 41134, 49080, 53579, 61701, 64213, 82268, 98160, 102835, 107158, 123402, 128426, 160737, 164536, 192639, 205670, 214316, 246804, 256852, 267895, 308505, 321065, 321474, 329072, 385278, 411340, 428632, 493608, 513704, 535790, 617010, 642130, 642948, 770556, 803685, 822680, 857264, 963195, 987216, 1027408, 1071580, 1234020, 1284260, 1285896, 1541112, 1607370, 1645360, 1926390, 2143160, 2468040, 2568520, 2571792, 3082224, 3214740, 3852780, 4286320, 4936080, 5137040, 6429480, 7705560, 8411903, 12858960, 15411120, 16823806, 25235709, 33647612, 42059515, 50471418, 67295224, 84119030, 100942836, 126178545, 134590448, 168238060, 201885672, 252357090, 336476120, 403771344, 504714180, 672952240, 1009428360, 2018856720]

約数ペア:

[(1, 2018856720), (2, 1009428360), (3, 672952240), (4, 504714180), (5, 403771344), (6, 336476120), (8, 252357090), (10, 201885672), (12, 168238060), (15, 134590448), (16, 126178545), (20, 100942836), (24, 84119030), (30, 67295224), (40, 50471418), (48, 42059515), (60, 33647612), (80, 25235709), (120, 16823806), (131, 15411120), (157, 12858960), (240, 8411903), (262, 7705560), (314, 6429480), (393, 5137040), (409, 4936080), (471, 4286320), (524, 3852780), (628, 3214740), (655, 3082224), (785, 2571792), (786, 2568520), (818, 2468040), (942, 2143160), (1048, 1926390), (1227, 1645360), (1256, 1607370), (1310, 1541112), (1570, 1285896), (1572, 1284260), (1636, 1234020), (1884, 1071580), (1965, 1027408), (2045, 987216), (2096, 963195), (2355, 857264), (2454, 822680), (2512, 803685), (2620, 770556), (3140, 642948), (3144, 642130), (3272, 617010), (3768, 535790), (3930, 513704), (4090, 493608), (4710, 428632), (4908, 411340), (5240, 385278), (6135, 329072), (6280, 321474), (6288, 321065), (6544, 308505), (7536, 267895), (7860, 256852), (8180, 246804), (9420, 214316), (9816, 205670), (10480, 192639), (12270, 164536), (12560, 160737), (15720, 128426), (16360, 123402), (18840, 107158), (19632, 102835), (20567, 98160), (24540, 82268), (31440, 64213), (32720, 61701), (37680, 53579), (41134, 49080)]